you can use this to call the contribute method:
contract.methods["contribute()"].sendTransaction({value: 2});
or
sendTransaction({ from: "0x111" , to: instance, value:1, data: web3.eth.abi.encodeFunctionSignature('contribute()')
Victor Liew Jia Hao alcedo
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| package main | |
| import ( | |
| "crypto/aes" | |
| "crypto/cipher" | |
| "crypto/rand" | |
| "io" | |
| "io/ioutil" | |
| "log" | |
| "os" |
alcedo
/ slack_delete.rb
Last active
June 21, 2016 20:37
— forked from jamescmartinez/slack_delete.rb
This Ruby script will bulk remove all Slack files older than 30 days. Just add your API token from https://api.slack.com/web#authentication into the token quotes at the top of the file.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| require 'net/http' | |
| require 'json' | |
| require 'uri' | |
| # tokens can be obtained from https://api.slack.com/docs/oauth-test-tokens | |
| @token = '' | |
| def list_files | |
| ts_to = (Time.now - 30 * 24 * 60 * 60).to_i # 30 days ago | |
| params = { |
alcedo
/ rails_txn_rollback_spec.rb
Last active
November 21, 2015 12:04
Rails Transaction Demonstration
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| require 'spec_helper' | |
| describe 'Rails Transaction Demonstration' do | |
| it 'Should rollback due to any exception raised' do | |
| expect { | |
| ActiveRecord::Base.transaction do | |
| NotificationHistory.create!(transporter: 'should not see this') |
alcedo
/ jsonMock.objc
Created
June 21, 2015 22:08
sample code showing how to use mock JSON response
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| NSString *mockResponse = @"{\ | |
| \"account_balance\": \"304.34\",\ | |
| \"bank_account_number\": \"03168943233\",\ | |
| \"bank_account_type\": \"POSB\",\ | |
| }"; | |
| NSError *jsonError; | |
| NSData *objectData = [mockResponse dataUsingEncoding:NSUTF8StringEncoding]; | |
| NSDictionary *json = [NSJSONSerialization JSONObjectWithData:objectData | |
| options:NSJSONReadingMutableContainers |
alcedo
/ twitter_home
Last active
August 29, 2015 14:21
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| [ | |
| { | |
| "coordinates": null, | |
| "truncated": false, | |
| "created_at": "Tue Aug 28 21:16:23 +0000 2012", | |
| "favorited": false, | |
| "id_str": "240558470661799936", | |
| "in_reply_to_user_id_str": null, | |
| "entities": { | |
| "urls": [ |
alcedo
/ gist:1970522978556862784f
Last active
August 29, 2015 14:20
— forked from alex-zige/gist:523f8f0a8534eebff731
#UI Caveats
http://stackoverflow.com/questions/19927542/ios7-backgroundimage-for-uisearchbar
//clear the transparent background when search bar promot
[self.searchDisplayController.searchBar setBackgroundImage:[self imageWithColor:[UIColor yourColor]]
forBarPosition:0
barMetrics:UIBarMetricsDefault];
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| { | |
| "movies": [ | |
| { | |
| "id": "771313962", | |
| "title": "Avengers: Age of Ultron", | |
| "year": 2015, | |
| "mpaa_rating": "PG-13", | |
| "runtime": 141, | |
| "critics_consensus": "", | |
| "release_dates": { |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // | |
| // PhotoTableViewCell.swift | |
| // codepath_wk1e1 | |
| // | |
| // Created by Victor Liew on 5/3/15. | |
| // Copyright (c) 2015 alcedo. All rights reserved. | |
| // | |
| import UIKit |
alcedo
/ devise token auth notes
Created
October 25, 2014 23:44
A list of Token authentication tutorials on rails using devise
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| https://gist.github.com/josevalim/fb706b1e933ef01e4fb6 | |
| https://gist.github.com/gonzalo-bulnes/7659739 | |
| https://github.com/plataformatec/devise/issues/2739 | |
| https://gist.github.com/danielgatis/5666941 | |
| http://stackoverflow.com/questions/20319961/restful-login-with-devise-rails-4 | |
| http://chasseurmic.github.io/chasseurmic/blog/2013/02/13/restful-api-authentication/ | |
| http://lucatironi.github.io/tutorial/2013/05/05/ruby_rails_rubymotion_ios_app_authentication_devise_tutorial_part_one/ | |
| http://blog.codebykat.com/2012/07/23/remote-api-authentication-with-rails-3-using-activeresource-and-devise/ | |
| http://codedecoder.wordpress.com/2013/01/08/devise-login-with-authentication_token/ |
NewerOlder